Ferraz Shawmut - Mersen A70QS300-4 38.1 x 129 mm 300 Amp 700 Volt Semiconductor Protection Fuse

A70QS Amp-Trap® high speed fuses were developed in response to the need for improved overall performance of 700V semiconductor fuses for new equipment requirements. A70QS fuses have lower I2t for better protection, longer life when subjected to cyclic loading, plus lower watts loss. A70QS is the best choice to protect dynamic solid state equipment such as motor drives, UPS, etc. Features: Very Low I2t for improved protection of equipment; Superior cycling ability for long, reliable life on high cyclic loading; Low watts loss for cooler operation; 700V AC/DC rating gives greater design versatility; Ultra compact sizes allow down-sizing of existing equipment - Certifications: UL recognized component, AC/DC UL file E60314; AC: guide no. JFHR2; DC: tested to UL standard 198L parameters (35-800A); CSA certified File LR 12636